linux-kernel - Re: [PATCH v3 10/11] arm64: dts: qcom: sm8350-hdk: Enable display & dsi nodes

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Message-ID: <CAG3jFysRXykUgOqRiPVYSRtjQ5Rfj+DQQqPzhzA8j9B9LToj5g@mail.gmail.com>
Date:   Mon, 19 Dec 2022 17:11:52 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     robdclark@...il.com, quic_abhinavk@...cinc.com, sean@...rly.run,
        airlied@...ux.ie, daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, konrad.dybcio@...ainline.org,
        quic_kalyant@...cinc.com, angelogioacchino.delregno@...ainline.org,
        loic.poulain@...aro.org, swboyd@...omium.org,
        quic_vpolimer@...cinc.com, vkoul@...nel.org, dianders@...omium.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Marek <jonathan@...ek.ca>,
        vinod.koul@...aro.org, quic_jesszhan@...cinc.com,
        andersson@...nel.org
Subject: Re: [PATCH v3 10/11] arm64: dts: qcom: sm8350-hdk: Enable display &
 dsi nodes

On Mon, 5 Dec 2022 at 17:44, Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
>
> On 05/12/2022 18:37, Robert Foss wrote:
> > Enable the display subsystem and the dsi0 output for
> > the sm8350-hdk board.
> >
> > Signed-off-by: Robert Foss <robert.foss@...aro.org>
> > ---
> >   arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 22 ++++++++++++++++++++++
> >   1 file changed, 22 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> > index e6deb08c6da0..39462c659c58 100644
> > --- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> > +++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> > @@ -213,10 +213,32 @@ &cdsp {
> >       firmware-name = "qcom/sm8350/cdsp.mbn";
> >   };
> >
> > +&dispcc {
> > +     status = "okay";
> > +};
> > +
> > +&dsi0 {
>
> Bjorn suggested using mdss_dsi0 / mdss_dsi0_phy labels for DSI host and
> PHY, as it allows us to group them nicely. WDYT?

Sounds quite reasonable, fixing it in dts/dtsi/binding.

>
> > +     vdda-supply = <&vreg_l6b_1p2>;
> > +     status = "okay";
> > +};
> > +
> > +&dsi0_phy  {
> > +     vdds-supply = <&vreg_l5b_0p88>;
> > +     status = "okay";
> > +};
> > +
> >   &gpi_dma1 {
> >       status = "okay";
> >   };
> >
> > +&mdss {
> > +     status = "okay";
> > +};
> > +
> > +&mdss_mdp {
> > +     status = "okay";
> > +};
> > +
> >   &mpss {
> >       status = "okay";
> >       firmware-name = "qcom/sm8350/modem.mbn";
>
> --
> With best wishes
> Dmitry
>